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Hittade 4 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Implementing Road Pricing : Standards, Institutions, Costs, and Public Acceptance

    Författare :Carl J. Hamilton; Jonas Eliasson; Robert Lindsey; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Much has been researched and written about road pricing, and especially how it affects traffic flow, congestion, the environment, and social welfare in general. This doctoral thesis analyses the implementation of road user charges rather than its effects. The dissertation consists of five separate papers, each addressing a subset of the topic. LÄS MER

  3. 2. Regulating road user charging

    Författare :Carl J. Hamilton; Jonas Eliasson; James Odeck; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  4. 3. Platsens blick : Vetenskapsakademien och den naturalhistoriska resan 1790-1840

    Författare :Pär Eliasson; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; travel; apodemics; natural history; Royal Swedish Academy of Science; Swedish Museum of Natural History; plant geography; zoology; Linnaeus; Göran Wahlenberg;

    Sammanfattning : The purpose of the present dissertation is to study the relationship between travel as a form of knowledge and the natural history pursued at the Royal Academy of Science during the period 1790-1840. Primarily, this dissertation deals with the perception of travel as a form of knowledge which existed at the Royal Swedish Academy of Science, though a number of selected journeys are used to illustrate the era's shifting perceptions on travel. LÄS MER

  5. 4. Effect of antihypertensive treatment at different blood pressure levels

    Författare :Mattias Brunström; Bo Carlberg; Mats Eliasson; Sverre Kjeldsen; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; blood pressure; hypertension; antihypertensive treatment; cardiovascular disease; randomized controlled trial; systematic review; meta-analysis; standardization;

    Sammanfattning : BackgroundHigh blood pressure is associated with an increased risk of cardiovascular disease and premature death. The shape of association between blood pressure and the risk of cardiovascular events is debated. Some researchers suggest that the association is linear or log-linear, whereas others suggest it is J-shaped. LÄS MER